This is the upgrade your EDC needs. The Action Enhancement Kit features the Apex Action Enhancement Trigger with trigger bar and an Apex Performance Connector. 

Features:

• Reduces trigger pre-travel, overall travel and reset distance
• Smooth uptake and reset
• Crisp trigger break
• Center mounted pivoting safety maintains factory safety values
• Direct drop-in replacement parts, not fitting required

For use in the following Glock model pistols:

• G43
• G43X
• G48

Does not fit the G42.